Get flash to fully experience Pearltrees
Read this page to learn how to create and load a hosted app —a regular web app, plus some metadata. If you're interested in creating a packaged app —a web app that's bundled up as an extension, so that the user downloads all of its content—see Packaged Apps in the extensions documentation . Contents Creating hosted apps A hosted app requires a .crx file that contains metadata describing the app. (The .crx file format is just a variation of ZIP that's used by Google Chrome.)
The Chrome Web Store lets you publish apps where Google Chrome users can easily find them. The store's primary purpose is to help Chrome users find apps.